Whether you're more Golden Girls or Felix Unger, renting out a room in retirement might make financial sense. You might even have fun.

A couple used Airbnb to rent out their home while they were on vacation, but soon realized that their tenants were using it as a meth lab.

Darrel and Patrice Maxam started renting out bedrooms in their Atlanta home on Airbnb in 2015. They ended up building additional units — tiny homes and treehouses — on the property to rent out.

Darrel and Patrice Maxam turned to Airbnb when they wanted to increase the income from their day jobs. Now they build sleek custom cabins to rent out.